add mailmap

Fixes after hare checkless for loops

See https://git.sr.ht/~sircmpwn/harec/commit/d31057140ed3975dc258e9e25fca8105d3eec1de

init: initialize page tables for complete PHDR

vulcan/rt: add u64tos

notification: signal on write of zero

Fix note word delivery, add test

vulcan: update abort ABI

notifications: implement signal word

all: updates per hare upstream changes

init: Write registers in arch_init instead of map_tables

boot/+aarch64: Apply R_AARCH64_RELATIVE relocations

This fixes string literals after harec@219d934 (generate string constants using
gen_data_item)

boot/+aarch64: Set base address to 0

boot/+aarch64: Include .dynamic and .rel.reloc in PE data

+aarch64: Fix build issues

But the bootloader does not work anymore, it seems.

all: fix compiler issues on newer harec

objects::lookup_types: fix syntax

arch+x86_64: save all registers on syscall

So that the context makes sense if the syscall faults, for instance.

all: updates for module3

x86_64: implement arch-specific faults

all: s/noreturn/never/g